The DORMA RF is a non-handed mechanical hold-open unit.

The hold-open unit can be switched on and off by the user as required, and the pull-off force can be adjusted to suit each individual door situation.

The DORMA RF hold-open unit can also be supplied for retrofitting to the slide channel at a later date.

Hold open is not suitable for fire or smoke doors.

Suitable for TS91, TS92 & TS93 door closers.

Installation example

Hold open illustration